https://bugs.gentoo.org/871549
--- a/src/docks/xdcalendar.c
+++ b/src/docks/xdcalendar.c
@@ -1,2 +1,3 @@
 #include <xdock.h>
+#include <ctype.h>
 #include <getopt.h>
--- a/src/docks/xdmemory.c
+++ b/src/docks/xdmemory.c
@@ -1,2 +1,3 @@
 #include <xdock.h>
+#include <ctype.h>
 #include <getopt.h>
--- a/src/lib/network.c
+++ b/src/lib/network.c
@@ -10,2 +10,3 @@
 #	include <fcntl.h>
+#	include <unistd.h>
 #	define INVALID_SOCKET -1